This page collects practical tools with external links, contributors, licenses, and citation information when available.
102 approved software and tool entries are available for search indexing and community discovery.
Open-source plane-wave DFT package for electronic structure, perturbation theory, and materials simulations. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly encountered in chemistry rese...
Popular chemical drawing and nomenclature environment with a free academic/personal edition and commercial extensions. Primary category: Drawing and structure editors. Access model: Free/commercial. Curated because it is commonly encounter...
Biomolecular molecular dynamics ecosystem with AmberTools, force fields, free-energy methods, and analysis utilities. Primary category: Molecular dynamics and simulation. Access model: Mixed. Curated because it is commonly encountered in c...
Amsterdam Modeling Suite with ADF/BAND/ReaxFF tools for molecular, periodic, and reactive chemistry modeling. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is commonly encountered in chemistry re...
Widely used protein structure prediction workflows supporting target preparation, structural biology, and drug-discovery pipelines. Primary category: Docking and drug discovery. Access model: Open/free. Curated because it is commonly encou...
Classic protein-ligand docking suite for docking, grid maps, and virtual screening workflows. Primary category: Docking and drug discovery. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching...
Fast open-source molecular docking engine widely used for protein-ligand docking and virtual screening. Primary category: Docking and drug discovery. Access model: Open/free. Curated because it is commonly encountered in chemistry research...
Open-source molecular editor and builder for preparing, visualizing, and exporting molecular structures for computation. Primary category: Visualization and molecular building. Access model: Open/free. Curated because it is commonly encoun...
2D chemical drawing and reaction-documentation tool commonly used with BIOVIA and Pipeline Pilot ecosystems. Primary category: Drawing and structure editors. Access model: Free/commercial. Curated because it is commonly encountered in chem...
NMR acquisition, processing, and analysis software used with Bruker spectrometers. Primary category: Spectroscopy and analytical chemistry. Access model: Free/commercial. Curated because it is commonly encountered in chemistry research, te...
Plane-wave DFT package for periodic systems, materials chemistry, spectroscopy, and solid-state properties. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is commonly encountered in chemistry rese...
Crystal structure visualization and analysis tool for small-molecule crystallography and CSD-based workflows. Primary category: Crystallography and diffraction. Access model: Free/commercial. Curated because it is commonly encountered in c...
Macromolecular crystallography software suite for data processing, phasing, refinement, and validation. Primary category: Crystallography and diffraction. Access model: Free academic. Curated because it is commonly encountered in chemistry...
Coupled-cluster and high-accuracy quantum chemistry package for molecular properties and spectroscopy. Primary category: Quantum chemistry engines. Access model: Free academic. Curated because it is commonly encountered in chemistry resear...
Long-standing molecular dynamics and force-field package for biomolecules, simulations, and molecular mechanics. Primary category: Molecular dynamics and simulation. Access model: Commercial/academic. Curated because it is commonly encount...
Open-source quantum chemistry and atomistic simulation package for DFT, AIMD, QM/MM, and periodic systems. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly encountered in chemistry resear...
Conformer-rotamer ensemble sampling tool built around xTB and metadynamics workflows. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching, analysi...
Quantum chemistry code for periodic systems using localized Gaussian basis sets. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is commonly encountered in chemistry research, teaching, analysis, o...
Chemical drawing and visualization suite with desktop and web components for publication figures and interactive molecule displays. Primary category: Drawing and structure editors. Access model: Commercial. Curated because it is commonly e...
Industry-standard 2D chemical drawing, reaction scheme, structure cleanup, and publication graphics package. Primary category: Drawing and structure editors. Access model: Commercial. Curated because it is commonly encountered in chemistry...
Java cheminformatics library for chemical structures, descriptors, fingerprints, substructure search, and molecular manipulation. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is commonly...
Interactive model-building program for crystallographic and cryo-EM density maps. Primary category: Crystallography and diffraction. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching, analy...
General-purpose molecular dynamics simulation package for large-scale classical simulations. Primary category: Molecular dynamics and simulation. Access model: Free academic. Curated because it is commonly encountered in chemistry research...
Molecular docking program for receptor-ligand docking, scoring, and virtual screening. Primary category: Docking and drug discovery. Access model: Free academic. Curated because it is commonly encountered in chemistry research, teaching, a...
Interactive data-analysis and visualization software for SAR, compound tables, chemical space, and medicinal chemistry. Primary category: Cheminformatics and molecular data. Access model: Free. Curated because it is commonly encountered in...
Open-source deep-learning library for molecular property prediction, featurization, datasets, and drug-discovery modeling. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is commonly encoun...
High-performance molecular dynamics engine in the Schrodinger ecosystem for biomolecular simulations and FEP workflows. Primary category: Molecular dynamics and simulation. Access model: Commercial/academic. Curated because it is commonly...
Diffusion-model docking method for predicting ligand binding poses in protein pockets. Primary category: Docking and drug discovery. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching, analy...
Suite for Rietveld refinement, powder diffraction analysis, magnetic structures, and crystallographic modeling. Primary category: Crystallography and diffraction. Access model: Free. Curated because it is commonly encountered in chemistry...
Academic quantum chemistry code for ab initio calculations, DFT, reaction paths, and electronic-structure teaching/research. Primary category: Quantum chemistry engines. Access model: Free academic. Curated because it is commonly encounter...
Molecular docking engine with convolutional neural network scoring for protein-ligand docking. Primary category: Docking and drug discovery. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teachin...
Protein-ligand docking software from CCDC widely used for docking and pose prediction. Primary category: Docking and drug discovery. Access model: Commercial. Curated because it is commonly encountered in chemistry research, teaching, anal...
Python-based DFT package using real-space grids and PAW methods for molecules, surfaces, and materials. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly encountered in chemistry research,...
High-performance molecular dynamics package for proteins, membranes, nucleic acids, polymers, and solution simulations. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountere...
Molecular dynamics simulation package and force-field family for biomolecular systems. Primary category: Molecular dynamics and simulation. Access model: Free academic. Curated because it is commonly encountered in chemistry research, teac...
General Structure Analysis System for powder diffraction, Rietveld refinement, and crystallographic analysis. Primary category: Crystallography and diffraction. Access model: Open/free. Curated because it is commonly encountered in chemist...
Graphical interface for building Gaussian inputs, visualizing molecular orbitals, spectra, surfaces, and quantum-chemistry outputs. Primary category: Visualization and molecular building. Access model: Commercial. Curated because it is com...
One of the most widely used molecular quantum chemistry packages for DFT, ab initio methods, spectra, thermochemistry, and reaction modeling. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is comm...
Commercial docking and drug-discovery platform widely used for virtual screening, pose prediction, FEP, and medicinal chemistry. Primary category: Docking and drug discovery. Access model: Commercial. Curated because it is commonly encount...
Thermochemistry post-processing tool for Gaussian, ORCA, and other computational chemistry outputs. Primary category: Quantum chemistry and analysis. Access model: Open/free. Curated because it is commonly encountered in chemistry research...
Information-driven biomolecular docking platform for protein-protein, protein-DNA, and protein-ligand complexes. Primary category: Docking and drug discovery. Access model: Free academic/web. Curated because it is commonly encountered in c...
GPU-focused particle simulation toolkit for soft matter, polymers, colloids, and molecular systems. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountered in chemistry resea...
Molecular editor and visualization program commonly used for preparing Q-Chem and other quantum chemistry jobs. Primary category: Visualization and molecular building. Access model: Open/free. Curated because it is commonly encountered in...
Open-source cheminformatics toolkit for molecule and reaction handling, rendering, similarity, and search workflows. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is commonly encountered...
Lightweight browser-based molecule editor descended from JME, useful for simple SMILES and structure input on chemistry websites. Primary category: Drawing and structure editors. Access model: Open/free. Curated because it is commonly enco...
Crystallographic computing system for standard, modulated, and composite structure refinement. Primary category: Crystallography and diffraction. Access model: Free academic. Curated because it is commonly encountered in chemistry research...
Open-source molecular viewer for desktop and web visualization of molecules, crystals, surfaces, and spectra. Primary category: Visualization and molecular building. Access model: Open/free. Curated because it is commonly encountered in ch...
Visual workflow platform with chemistry extensions for cheminformatics, screening, data preparation, and ML pipelines. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is commonly encountere...
Open-source web chemical structure editor used in ELNs, cheminformatics portals, and molecular-input workflows. Primary category: Drawing and structure editors. Access model: Open/free. Curated because it is commonly encountered in chemist...
General classical molecular dynamics engine for materials, soft matter, polymers, biomolecules, and coarse-grained systems. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encoun...
Python toolkit for analyzing molecular dynamics trajectories and structural ensembles. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching...
Python library for reading, writing, and analyzing molecular dynamics trajectories. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching, a...
Molecular Operating Environment for modeling, docking, QSAR, medicinal chemistry, and protein-ligand workflows. Primary category: Docking and drug discovery. Access model: Commercial. Curated because it is commonly encountered in chemistry...
Semiempirical quantum chemistry package for fast molecular calculations, thermochemistry, and large-system screening. Primary category: Quantum chemistry engines. Access model: Mixed. Curated because it is commonly encountered in chemistry...
Mass spectrometry data processing and annotation software for metabolomics, lipidomics, and GC/LC-MS workflows. Primary category: Spectroscopy and analytical chemistry. Access model: Free. Curated because it is commonly encountered in chem...
Open-source LC-MS/MS data processing platform for feature detection, alignment, visualization, and annotation. Primary category: Spectroscopy and analytical chemistry. Access model: Open/free. Curated because it is commonly encountered in...
Widely used desktop and web chemical drawing toolkit for structures, reactions, naming, pKa/logP estimates, and registration workflows. Primary category: Drawing and structure editors. Access model: Mixed. Curated because it is commonly en...
Widely used NMR and MS data processing, visualization, reporting, and analysis platform. Primary category: Spectroscopy and analytical chemistry. Access model: Commercial. Curated because it is commonly encountered in chemistry research, t...
Classic quantum chemistry visualization tool for orbitals, vibrational modes, electron density, and molecular structures. Primary category: Visualization and molecular building. Access model: Free academic. Curated because it is commonly e...
High-level quantum chemistry program known for accurate wavefunction methods, multireference calculations, and reaction energetics. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is commonly encou...
Python molecular descriptor calculator commonly paired with RDKit for QSAR and ML workflows. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is commonly encountered in chemistry research, t...
Multifunctional wavefunction-analysis program for electron density, orbitals, bonding, topology, and spectra analysis. Primary category: Quantum chemistry and analysis. Access model: Free. Curated because it is commonly encountered in chem...
Parallel molecular dynamics program for large biomolecular systems, often used with VMD. Primary category: Molecular dynamics and simulation. Access model: Free academic. Curated because it is commonly encountered in chemistry research, te...
Natural Bond Orbital analysis package for interpreting bonding, charge transfer, hybridization, and orbital interactions. Primary category: Quantum chemistry and analysis. Access model: Commercial. Curated because it is commonly encountere...
WebGL molecular viewer for embedding interactive protein, ligand, and molecular structure visualization in web apps. Primary category: Visualization and molecular building. Access model: Open/free. Curated because it is commonly encountere...
Classic NMR data processing and analysis system for multidimensional biomolecular NMR. Primary category: Spectroscopy and analytical chemistry. Access model: Free academic. Curated because it is commonly encountered in chemistry research,...
Open-source computational chemistry package for molecular and periodic electronic structure, MD, and large-scale HPC calculations. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly encount...
Name-to-structure parser that converts IUPAC and systematic chemical names into machine-readable structures. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is commonly encountered in chemi...
Very widely used quantum chemistry package for DFT, wavefunction methods, spectroscopy, DLPNO, transition states, and molecular properties. Primary category: Quantum chemistry engines. Access model: Free academic. Curated because it is com...
Visualization and analysis software for atomistic simulations, molecular dynamics, particles, defects, and trajectories. Primary category: Visualization and molecular building. Access model: Open/commercial. Curated because it is commonly...
Small-molecule crystallography platform for structure solution, refinement, visualization, and reporting. Primary category: Crystallography and diffraction. Access model: Free. Curated because it is commonly encountered in chemistry resear...
Open chemical toolbox for file conversion, molecular search, fingerprints, descriptors, and interoperable molecular workflows. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is commonly en...
GPU-accelerated molecular simulation toolkit and Python API for custom forces, MD, and free-energy workflows. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountered in chemi...
Open-source C++ and Python ecosystem for mass spectrometry, proteomics, metabolomics, and LC-MS workflows. Primary category: Spectroscopy and analytical chemistry. Access model: Open/free. Curated because it is commonly encountered in chem...
Crystallographic validation, analysis, and structure-checking tool frequently used with CIFs and small-molecule structures. Primary category: Crystallography and diffraction. Access model: Free academic. Curated because it is commonly enco...
Enhanced-sampling and free-energy plugin used with many molecular dynamics engines. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching, a...
Widely used descriptor and fingerprint calculator for QSAR and molecular machine-learning datasets. Primary category: Cheminformatics and molecular data. Access model: Free. Curated because it is commonly encountered in chemistry research,...
General scientific visualization platform used for large volumetric, mesh, and simulation datasets in chemistry and materials modeling. Primary category: Visualization and molecular building. Access model: Open/free. Curated because it is...
Macromolecular crystallography and cryo-EM software suite for refinement, model building, and validation. Primary category: Crystallography and diffraction. Access model: Free academic. Curated because it is commonly encountered in chemist...
Open-source quantum chemistry package and Python ecosystem for DFT, MP2, coupled cluster, SAPT, and method development. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly encountered in che...
Widely used molecular visualization system for proteins, ligands, electron density, scenes, and publication-quality structural biology figures. Primary category: Visualization and molecular building. Access model: Open/commercial. Curated...
General-purpose quantum chemistry package with strong DFT, excited-state, electronic-structure, and solvation capabilities. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is commonly encountered i...
Open-source plane-wave DFT suite for electronic structure, phonons, surfaces, and periodic condensed-phase chemistry. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly encountered in chemi...
Core open-source cheminformatics toolkit for molecules, reactions, fingerprints, descriptors, substructure search, and Python workflows. Primary category: Cheminformatics and molecular data. Access model: Open/free. Curated because it is c...
Macromolecular modeling suite for protein design, docking, ligand modeling, and structure prediction. Primary category: Docking and drug discovery. Access model: Free academic/commercial. Curated because it is commonly encountered in chemi...
Classic crystallographic structure solution and refinement software used worldwide in small-molecule crystallography. Primary category: Crystallography and diffraction. Access model: Free academic. Curated because it is commonly encountere...
MS/MS formula prediction and compound annotation platform for metabolomics and small-molecule identification. Primary category: Spectroscopy and analytical chemistry. Access model: Free/commercial. Curated because it is commonly encountere...
Web service for small-molecule docking to protein targets using the SwissDock docking pipeline. Primary category: Docking and drug discovery. Access model: Free web. Curated because it is commonly encountered in chemistry research, teachin...
Powder diffraction and Rietveld refinement software widely used for XRD analysis. Primary category: Crystallography and diffraction. Access model: Commercial. Curated because it is commonly encountered in chemistry research, teaching, anal...
Quantum chemistry package known for efficient DFT, RI methods, excited states, and molecular property calculations. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is commonly encountered in chemis...
Analysis package for electronic excited states, charge transfer, transition density matrices, and spectroscopy calculations. Primary category: Quantum chemistry and analysis. Access model: Open/free. Curated because it is commonly encounte...
Molecular modeling package for force fields, polarizable models, dynamics, and molecular mechanics. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountered in chemistry resea...
Modern molecular visualization and analysis tool for protein structures, cryo-EM maps, docking poses, and molecular scenes. Primary category: Visualization and molecular building. Access model: Free academic. Curated because it is commonly...
Widely used plane-wave DFT package for molecules, surfaces, catalysis, batteries, and materials chemistry. Primary category: Quantum chemistry engines. Access model: Commercial. Curated because it is commonly encountered in chemistry resea...
Widely used 3D visualization program for crystal structures, volumetric data, electron density, and surfaces. Primary category: Visualization and molecular building. Access model: Free. Curated because it is commonly encountered in chemist...
High-performance molecular visualization and trajectory-analysis program used heavily in molecular dynamics workflows. Primary category: Visualization and molecular building. Access model: Free academic. Curated because it is commonly enco...
Toolkit for coarse-graining, charge transport, and excitation/energy-transfer simulations. Primary category: Molecular dynamics and simulation. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teac...
Python parser for quantum chemistry output files from many electronic-structure programs. Primary category: Quantum chemistry and analysis. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching...
Python package for reading, writing, and processing NMR data formats and spectra. Primary category: Spectroscopy and analytical chemistry. Access model: Open/free. Curated because it is commonly encountered in chemistry research, teaching,...
Extended tight-binding quantum chemistry program for fast geometries, frequencies, noncovalent interactions, and molecular properties. Primary category: Quantum chemistry engines. Access model: Open/free. Curated because it is commonly enc...
Atomistic Software provides a suite of tools for atomistic simulations, including materials modeling and analysis. Article: Talirz, L., Ghiringhelli, L. M., & Smit, B. (2021). Trends in Atomistic Simulation Software Usage [Article v1.0]. L...
LAMMPS (Large-scale Atomic/Molecular Massively Parallel Simulator) is a classical molecular dynamics simulator. This page provides download links for various versions of LAMMPS, including stable releases, feature releases, and legacy versi...